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-rw-r--r--modules/caddyhttp/autohttps.go10
1 files changed, 7 insertions, 3 deletions
diff --git a/modules/caddyhttp/autohttps.go b/modules/caddyhttp/autohttps.go
index f1d99ce..91611f9 100644
--- a/modules/caddyhttp/autohttps.go
+++ b/modules/caddyhttp/autohttps.go
@@ -222,11 +222,15 @@ func (app *App) automaticHTTPSPhase1(ctx caddy.Context, repl *caddy.Replacer) er
app.logger.Info("enabling automatic HTTP->HTTPS redirects", zap.String("server_name", srvName))
// create HTTP->HTTPS redirects
- for _, addr := range srv.Listen {
+ for _, listenAddr := range srv.Listen {
// figure out the address we will redirect to...
- addr, err := caddy.ParseNetworkAddress(addr)
+ addr, err := caddy.ParseNetworkAddress(listenAddr)
if err != nil {
- return fmt.Errorf("%s: invalid listener address: %v", srvName, addr)
+ msg := "%s: invalid listener address: %v"
+ if strings.Count(listenAddr, ":") > 1 {
+ msg = msg + ", there are too many colons, so the port is ambiguous. Did you mean to wrap the IPv6 address with [] brackets?"
+ }
+ return fmt.Errorf(msg, srvName, listenAddr)
}
// this address might not have a hostname, i.e. might be a